From c74dc92febd1841c8ea5ff31caab0f941d57527d Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Sat, 16 Jan 2021 17:07:01 +0100
Subject: Proposal: reorganize app/ folder by modules

---
 app/email/build/dovecot/.gitignore                 |  1 +
 app/email/build/dovecot/Dockerfile                 | 17 +++++
 app/email/build/dovecot/README.md                  | 18 +++++
 app/email/build/dovecot/conf/all_before.sieve      |  5 ++
 .../build/dovecot/conf/dovecot-ldap.sample.conf    |  8 +++
 app/email/build/dovecot/conf/dovecot.conf          | 79 ++++++++++++++++++++++
 app/email/build/dovecot/conf/report-ham.sieve      | 17 +++++
 app/email/build/dovecot/conf/report-spam.sieve     |  9 +++
 app/email/build/dovecot/entrypoint.sh              | 27 ++++++++
 9 files changed, 181 insertions(+)
 create mode 100644 app/email/build/dovecot/.gitignore
 create mode 100644 app/email/build/dovecot/Dockerfile
 create mode 100644 app/email/build/dovecot/README.md
 create mode 100644 app/email/build/dovecot/conf/all_before.sieve
 create mode 100644 app/email/build/dovecot/conf/dovecot-ldap.sample.conf
 create mode 100644 app/email/build/dovecot/conf/dovecot.conf
 create mode 100644 app/email/build/dovecot/conf/report-ham.sieve
 create mode 100644 app/email/build/dovecot/conf/report-spam.sieve
 create mode 100755 app/email/build/dovecot/entrypoint.sh

(limited to 'app/email/build/dovecot')

diff --git a/app/email/build/dovecot/.gitignore b/app/email/build/dovecot/.gitignore
new file mode 100644
index 0000000..71a04e2
--- /dev/null
+++ b/app/email/build/dovecot/.gitignore
@@ -0,0 +1 @@
+dovecot-ldap.conf
diff --git a/app/email/build/dovecot/Dockerfile b/app/email/build/dovecot/Dockerfile
new file mode 100644
index 0000000..9b87627
--- /dev/null
+++ b/app/email/build/dovecot/Dockerfile
@@ -0,0 +1,17 @@
+FROM amd64/debian:stretch
+
+RUN apt-get update && \
+    apt-get install -y \
+      dovecot-antispam \
+      dovecot-core \
+      dovecot-imapd \
+      dovecot-ldap \
+      dovecot-managesieved \
+      dovecot-sieve \
+      dovecot-lmtpd && \
+    rm -rf /etc/dovecot/*
+RUN useradd mailstore
+COPY ./conf/* /etc/dovecot/
+COPY entrypoint.sh /usr/local/bin/entrypoint
+
+ENTRYPOINT ["/usr/local/bin/entrypoint"]
diff --git a/app/email/build/dovecot/README.md b/app/email/build/dovecot/README.md
new file mode 100644
index 0000000..8c9f372
--- /dev/null
+++ b/app/email/build/dovecot/README.md
@@ -0,0 +1,18 @@
+```
+sudo docker build -t superboum/amd64_dovecot:v2 .
+```
+
+
+```
+sudo docker run -t -i \
+  -e TLSINFO="/C=FR/ST=Bretagne/L=Rennes/O=Deuxfleurs/CN=www.deuxfleurs.fr" \
+  -p 993:993 \
+  -p 143:143 \
+  -p 24:24 \
+  -p 1337:1337 \
+  -v /mnt/glusterfs/email/ssl:/etc/ssl/ \
+  -v /mnt/glusterfs/email/mail:/var/mail \
+  -v `pwd`/dovecot-ldap.conf:/etc/dovecot/dovecot-ldap.conf \
+  superboum/amd64_dovecot:v1 \
+  dovecot -F
+```
diff --git a/app/email/build/dovecot/conf/all_before.sieve b/app/email/build/dovecot/conf/all_before.sieve
new file mode 100644
index 0000000..7d2e57e
--- /dev/null
+++ b/app/email/build/dovecot/conf/all_before.sieve
@@ -0,0 +1,5 @@
+require ["fileinto", "mailbox"];
+if header :contains "X-Spam-Flag" "YES" {
+    fileinto :create "Junk";
+}
+
diff --git a/app/email/build/dovecot/conf/dovecot-ldap.sample.conf b/app/email/build/dovecot/conf/dovecot-ldap.sample.conf
new file mode 100644
index 0000000..472d5e8
--- /dev/null
+++ b/app/email/build/dovecot/conf/dovecot-ldap.sample.conf
@@ -0,0 +1,8 @@
+hosts = ldap.example.com
+dn = cn=admin,dc=example,dc=com
+dnpass = s3cr3t
+base = dc=example,dc=com
+scope = subtree
+user_filter = (&(mail=%u)(&(objectClass=inetOrgPerson)(memberOf=cn=email,ou=groups,dc=example,dc=com)))
+pass_filter = (&(mail=%u)(&(objectClass=inetOrgPerson)(memberOf=cn=email,ou=groups,dc=example,dc=com)))
+user_attrs = mail=/var/mail/%{ldap:mail}
diff --git a/app/email/build/dovecot/conf/dovecot.conf b/app/email/build/dovecot/conf/dovecot.conf
new file mode 100644
index 0000000..0d5068c
--- /dev/null
+++ b/app/email/build/dovecot/conf/dovecot.conf
@@ -0,0 +1,79 @@
+auth_mechanisms = plain login
+auth_username_format = %u
+log_timestamp = "%Y-%m-%d %H:%M:%S "
+mail_location = maildir:/var/mail/%u
+mail_privileged_group = mail
+
+log_path = /dev/stderr
+info_log_path = /dev/stdout
+debug_log_path = /dev/stdout
+
+protocols = imap sieve lmtp
+
+ssl_cert = < /etc/ssl/certs/dovecot.crt
+ssl_key = < /etc/ssl/private/dovecot.key
+
+service auth {
+ inet_listener {
+   port = 1337
+ }
+}
+
+passdb {
+  args = /etc/dovecot/dovecot-ldap.conf
+  driver = ldap
+}
+
+service lmtp {
+  inet_listener lmtp {
+    address = 0.0.0.0
+    port = 24
+  }
+}
+
+service imap-login {
+  inet_listener imap {
+    port = 143
+  }
+  inet_listener imaps {
+    port = 993
+  }
+}
+
+userdb {
+  args = uid=mailstore gid=mailstore home=/var/mail/%u
+  driver = static
+}
+
+protocol imap {
+  mail_plugins = $mail_plugins imap_sieve
+}
+
+protocol lda {
+  auth_socket_path = /var/run/dovecot/auth-master
+  info_log_path = /var/log/dovecot-deliver.log
+  log_path = /var/log/dovecot-deliver-errors.log
+  postmaster_address = postmaster@deuxfleurs.fr
+  mail_plugins = $mail_plugins sieve
+}
+
+plugin {
+  sieve = file:~/sieve;active=~/dovecot.sieve
+  sieve_before = /etc/dovecot/all_before.sieve
+
+  # antispam learn
+  sieve_plugins = sieve_imapsieve sieve_extprograms
+  sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment +vnd.dovecot.debug
+  sieve_pipe_bin_dir = /usr/bin
+
+  imapsieve_mailbox1_name = Junk
+  imapsieve_mailbox1_causes = COPY FLAG APPEND
+  imapsieve_mailbox1_before = file:/etc/dovecot/report-spam.sieve
+
+  imapsieve_mailbox2_name = *
+  imapsieve_mailbox2_from = Spam
+  imapsieve_mailbox2_causes = COPY APPEND
+  imapsieve_mailbox2_before = file:/etc/dovecot/report-ham.sieve
+
+}
+
diff --git a/app/email/build/dovecot/conf/report-ham.sieve b/app/email/build/dovecot/conf/report-ham.sieve
new file mode 100644
index 0000000..c5a994a
--- /dev/null
+++ b/app/email/build/dovecot/conf/report-ham.sieve
@@ -0,0 +1,17 @@
+require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables", "vnd.dovecot.debug"];
+
+if environment :matches "imap.mailbox" "*" {
+  set "mailbox" "${1}";
+}
+
+if string "${mailbox}" "Trash" {
+  stop;
+}
+
+if environment :matches "imap.user" "*" {
+  set "username" "${1}";
+}
+
+pipe :copy "sa-learn" [ "--ham", "-u", "debian-spamd" ];
+debug_log "ham reported by ${username}";
+
diff --git a/app/email/build/dovecot/conf/report-spam.sieve b/app/email/build/dovecot/conf/report-spam.sieve
new file mode 100644
index 0000000..1be7389
--- /dev/null
+++ b/app/email/build/dovecot/conf/report-spam.sieve
@@ -0,0 +1,9 @@
+require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables", "vnd.dovecot.debug"];
+
+if environment :matches "imap.user" "*" {
+  set "username" "${1}";
+}
+
+pipe :copy "sa-learn" [ "--spam", "-u", "debian-spamd"];
+debug_log "spam reported by ${username}";
+
diff --git a/app/email/build/dovecot/entrypoint.sh b/app/email/build/dovecot/entrypoint.sh
new file mode 100755
index 0000000..2165d8f
--- /dev/null
+++ b/app/email/build/dovecot/entrypoint.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+if [[ ! -f /etc/ssl/certs/dovecot.crt || ! -f /etc/ssl/private/dovecot.key ]]; then
+  cd /root
+  openssl req \
+    -new \
+    -newkey rsa:4096 \
+    -days 3650 \
+    -nodes \
+    -x509 \
+    -subj ${TLSINFO} \
+    -keyout dovecot.key \
+    -out dovecot.crt
+  
+  mkdir -p /etc/ssl/{certs,private}/
+
+  cp dovecot.crt /etc/ssl/certs/dovecot.crt 
+  cp dovecot.key /etc/ssl/private/dovecot.key 
+  chmod 400 /etc/ssl/certs/dovecot.crt 
+  chmod 400 /etc/ssl/private/dovecot.key
+fi
+
+if [[ $(stat -c '%U' /var/mail/) != "mailstore" ]]; then
+  chown -R mailstore /var/mail
+fi
+
+exec "$@"
-- 
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